N76E885 Datasheet, PDF (98/196 Pages) List of Unclassifed Manufacturers – Microcontroller

N76E885 Datasheet
slave. After that, the master can generate a STOP condition or a repeated START condition to
terminate the transmission or initial another one.
Normal
Arbitration lost
(STA,STO,SI,AA) = (1,0,0,X)
A START will be transmitted
08H
A START has been transmitted
(STA,STO,SI,AA) = (X,0,0,X)
I2DAT = SLA+R
SLA+R will be transmitted
MR
40H
SLA+R has been transmitted
ACK has been received
OR
48H
SLA+R has been transmitted
NACK has been received
(STA,STO,SI,AA) = (X,0,0,1)
I2DAT = SLA+R
SLA+R will be transmitted
68H or 78H
Arbitration lost and addressed
as slave receiver
ACK has been transmitted
OR
B0H
Arbitration lost and addressed
as slave transmitter
ACK has been transmitted
to corresponding
slave mode
(STA,STO,SI,AA)=(0,0,0,0)
Data byte will be received
NACK will be transmitted
(STA,STO,SI,AA)=(0,0,0,1)
Data byte will be received
ACK will be transmitted
(STA,STO,SI,AA)=(1,0,0,X)
A repeated START will be
transmitted
(STA,STO,SI,AA)=(0,1,0,X)
A STOP will be transmitted
(STA,STO,SI,AA)=(1,1,0,X)
A STOP followed by a
START will be transmitted
58H
Data byte has been received
NACK has been transmitted
I2DAT = Data Byte
50H
Data byte has been received
ACK has been transmitted
I2DAT = Data Byte
10H
A repeated START has
been transmitted
A STOP has been transmitted A STOP has been transmitted
38H
Arbitration lost in NACK bit
(STA,STO,SI,AA) =(0,0,0,X)
I2DAT = SLA+W
SLA+W will be transmitted
(STA,STO,SI,AA)=(0,0,0,X)
Not addressed slave
will be entered
(STA,STO,SI,AA)=(1,0,0,X)
A START will be transmitted
when the bus becomes free
MT
to master transmitter
Figure 16-8. Flow and Status of Master Receiver Mode
16.3.3 Slave Receiver Mode
In the slave receiver mode, several bytes of data are received form a master transmitter. Before a
transmission is commenced, I2ADDR should be loaded with the address to which the device will
respond when addressed by a master. I2CLK does not affect in slave mode. The AA bit should be set
to enable acknowledging its own slave address. After the initialization above, the I²C idles until it is
Dec. 21, 2015
Page 98 of 196
Rev. 1.01